Their work is usually secret or dangerous but the Army took the wraps off some of its Blackhawk helicopters, as they flew through the city and Harbour. @JayneAzzo
href="https://twitter.com/hashtag/9News?src=hash&ref_src=twsrc%5Etfw">#9News pic.twitter.com/pRj7vHsJjM
— Nine News Sydney (@9NewsSyd) February 16, 2018